萍乡显性核不育水稻开花习性观察

Observation on Flowering Habits of Pingxiang Dominance Genic Male Sterile Rice (PDGMSR)

通过对萍乡显性核不育水稻开花习性的观察 ,结果表明萍乡显性核不育水稻具有柱头大、柱头外露率高、柱头生活力下降慢、张颖角度较大 ,花期不太集中 ,一天中没有明显的开花高峰等特点。

The flowering habits of Pingxiang dominance genic male sterile rice was surveyed. The results showed that PDGMS R expressed a big stigma, a high stigma external rate with a good stigma which declined slowly, a big glume opening dimension, but a less concentrated flowering period, and no obvious flowering peak in a day.